Hangerless brake beam



Dec. 16, 1930. c WALKER HANGERLESS BRAKE BEAM Filed May 14, 1927 TTOE EYS '15 type of support may be overcome.

Patented Dec. 16, 1930 UNITED-STATES PATEN ;OFFI E;

QHARLLES "I. WALKER, on Los'ANGnLEs, onLironnm; AssIsNon TocHrcAeo RAILWAY EQUIPMENT ooMPnNY, OEQI-IICAGO,'ILLINOIS A conPoRATIo vonIL rnoIs FA mass anm m T V Application an ana im, 1927'. serial No. 191,422.

My 1 invention relates. to railway rolling stock and consists in an improved'hangerless brakebeam structureand'its mountlng on the car truck.

It has been previously recognized that thereare- 'advantagesin using a brake beam support member extending under the'brake beam for the sole support of the brake beam thereby eliminating the swinging hangers 1o usually employed.

The general object of my invention is to providea support of this; nature in which the beam may be properly supported and the friction which naturally results from this The specific objects of my invention attained by the use of the details ofmy structure will be apparent from'the following description.

In the accompanying drawings which illustrate my invention Figure 1 is a section taken longitudinally of the truck through one half of the spring plank and the adjacent brake beam and its supporting structure and indicating the adjacent wheel.

Figure 2 is a vertical transverse section taken-on line 2-2 of Figure 1.

Figures 3 and 4 correspond to Figures 1 and 2 but illustrate a modified form of my invention.

Figures 5 and 6 similarly illustrate another modification of my invention.

Figures 7 and 8 similarly illustrate a third modification of my invention.

In the structure illustrated in Figure 1,

one half of the truck spring plank is indicated at 1 and it will be understood that the brake beam illustrated is of the truss type,

' the compression member being indicated at take the form of an additional brace between the strut and the end of the beam, in which case it will be understood that this cross piece 4 will be duplicated on opposite sides .ofthe strut. Y

' A. brake beam support is indicated at 5 in the form 4 of an upwardly "facing channel secured'to-the springplank by-Ineans of rivets 6- passing 'through suitable bushings7. The cross piece'4 has abracket 8 riveted thereto and this bracket extends downwardly and maybe provided with one or more seats 9 forreceivin'g an anti-friction bearing element such as the ball bearing 10'. Bracket 8 isalso provided with depending 'lu-gs ll which are provided with bearings for a journal 12'on which is mounted aroller 13; the journaland roller being located below the botto'mof sup portarm 5 and the roller engaging, the "track formed by the bottom of arm 5. The channel 'formed by "arm 5 forms a track'forthe the opposite ends of the brake shoes.

Another construction in which the same results are obtained is illustrated in Figures '3 and 4in'w'hichthe-support arm'14 is an ball bearing 10"and it 'willbe se'enthat the ant-isfrictionelements will permit the application and release of-the brakebeam without undue resistance due to the-pressi'ire of the c angle iron riveted to the spring plank 15 and slotted as indicated at'lG to provide bearings for roller elements 17 which are mount 'ed upon a depending bracket 18 inflitself'.

forming a brace between the compression and tension members 19'and-20, respectivelyQof the brake beam. "Rollers 17 are shown as being mounted upon a stud 21, the rollers being retained by a suitablelwasherj22 and cotter 23. I p a I Another modification of my -invention is illustrated in'Figures 5 and 6 in whichthe horizontal flange of an angle iron support 24 carries t'hebrake beam through ro1le rs25 which" are seated in suitable pockets in the beam braceorcross piece 26. In; this struc ture the depending leg 27 on the cross piece extends under the horizontal flange 'on-the support'arm and is not providedwith any' anti friction elements." In many applications it may 'befoundunnecessary to provide an anti-friction element between the underside of thesupport arm and the beam.

- depending leg,

Figures 7 and 8 illustrate another construction similar to that shown in Figures 5 and 6 but inwhich there is an anti-friction member 28 provided beneath the horizontal flange 29 I of the support arm 30. The roller 28 is carried by a horizontal stud 31 mounted on the depending leg 32 secured to a beam cross piece 33. V V Each of the structures illustrated utilizes spaced bearing for supportin g the beam and one or more bearings for preventing the tilting of the beam; the structure shown inFigures 3- and l utilizing thesamebearingsfor both purposes. I 1 V Obviously the details of myinvention may be "modified in numerous ways besides the illustrated embodiments, and I I contemplate the exclusive, use of all-such modifications as fall .within the scope of'my claims.

I claim: v '1. In a brake beam and mounting of the hangerless type,a'beam, a support arm, and anti-friction elements carrying said beam on said arm and engaging opposite sides ofsaid I beam. 7

a tension member, a cross piece-between said 8. In combination, a brake beam, a vsupport arm having upwardly and downwardly facing surfaces, and a plurality of anti-frictionelements on said beam arranged to contact with either of said surfaces.

9. brake beam,a compression member, a tension member, a cross piece between said -,members, and anti-friction elements carried of sald cross p ece intermediate'the portions.

of, said cross piece, engagingsaid beam members and adapted to engage opposite sides of a support arm.

CHARLES I; WALKER.

2. In a brake beam, a compression member,

V atension-membefr, a cross piece between said members, and anti-friction elements carried on said cross piece betweenzsaid members in termediate the portions of saidcross piece, engaging said members and adapted to engage upwardly-anddownwardly ,facing surfaces of a support arm-to carry the beam an prevent'its tilting.

3, In a brake beam, a compression member,

,a tension member, a one-piece brace between said membershaving an integral depending leg, and horizontally disposed anti-friction elementsmounted on said leg for engaging a support arm.

'4. In a brake beam, a compression member, a tension member, a one-piece brace between said members having an integral depending leg, "and horizontally disposed anti-friction elements mounted on said leg, each adapted toengage'upwardly and downwardly facing surfaces on a support arm. V

, 5. Ina brake beam and mounting of the hangerless type, a support arm adapted to be secured to a car part and to extend beneath the brake beam and provided with a longitudinal slot, a brake beam bracket having a and horizontally 'disposed rollers mounted on said leg and seated in said slot. U y

' 6. Inv combination, a brake beam support arm adapted'to be secured to a car part, a brake beam including a compression member and a tensionmember, a cross piece between saidmembers, a vertical projectionon said cross piece at the side of said arm, androlling and transversely of the V 

